Merge pull request #4 from lordfolken/master

Updated Swiss Airspace for 2014
Updated German airspace files
Updated German airspace file
Added Finnish airspace files
Updated French airspace file
Merge pull request #5 from lordfolken/master

New Version of 2014 Swiss Airspace
Updated Canadian airspace
Updated Czech airspace
Updated Polish airspace
Updated UK airspace
Added "update" information
Update description of Dutch airspace, now links towards a 2014 airspace file made by Maurits Dortu.
Merge pull request #7 from roeles/master

Update description of Dutch airspace, now links towards a 2014 airspace ...
script for checking repository urls implements #6